PERNAROWSKI, M <br/><br/>
The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration.  [electronic resource] 

 -  Journal of the American Pharmaceutical Association. American Pharmaceutical Association  Dec 1954 
 - 746-50 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Standard No.: </label>10.1002/jps.3030431209  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspirin<br/>Caffeine<br/>Codeine--analysis<br/>Phenacetin